Benchmark: Изменение строки - MeasureThat.net

Script Preparation code:

var str = "014b6832";
var sstr = "125g4371"
// var por = 1;
var nstr = "";

Tests:

slice
nstr = str.slice(0, 3)+sstr[3]+str.slice(4); nstr = "";
substring
nstr = str.substring(0, 3)+sstr[3]+str.substring(4); nstr = "";
replace
nstr = str.replace("b", sstr[3]); nstr = "";
substr
nstr = str.substr(0, 3)+sstr[3]+str.substr(4); nstr = "";

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
slice
substring
replace
substr

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0

Browser/OS: Firefox 83 on Windows

View result in a separate tab

Test name	Executions per second
slice	24073190.0 Ops/sec
substring	25266880.0 Ops/sec
replace	10628420.0 Ops/sec
substr	24888350.0 Ops/sec